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Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
Abnormality of the epiphysis of the 1st metacarpal +   
Aplasia/Hypoplasia of the 1st metacarpal +   
Broad 1st metacarpal  
Bullet-shaped 1st metacarpal 
Carpometacarpal synostosis +  
Curved 1st metacarpal 
Duplication of the 1st metacarpal +   
Fractured metacarpal bone of digit 1 
Metacarpophalangeal synostosis +   
Osteolytic defects of the 1st metacarpal 
Patchy sclerosis of the 1st metacarpal 
Synostosis involving the 1st metacarpal +   
Fusion of the 1st metacarpal with another bone. In contrast to the proximal phalanges of the digits 2 to 5, the proximal phalanx of the thumb is embryologically equivalent to the middle phalanges of the other digits, whereas the first metacarpal is embryologically of phalangeal origin and as such equivalent to the proximal phalanges of the other digits.
Synostosis involving the 2nd metacarpal +  
Synostosis involving the 3rd metacarpal +  
Synostosis involving the 4th metacarpal +   
Synostosis involving the 5th metacarpal +   
Triangular shaped 1st metacarpal 

Synonyms
Exact Synonyms: First metacarpophalangeal joint synostosis ;   Fusion involving 1st long bone of hand ;   Symphalangism affecting the 1st metacarpal
Alternate IDs: HP:0005614 ;   HP:0010032
Xrefs: UMLS:C4021397
Definition Sources: https://orcid.org/0000-0002-0736-9199

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